Hydraulic motor



FIG. 1 is a front bottom--left perspective view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view of a hydraulic motor (the left side being a mirror image of the right side). 

The ornamental design for hydraulic motor, as shown and described. 